Nonlinear theory of beam-wave interaction in gyro-TWT with spiral waveguide

Xue Zhihao; Liu Pukun; Du Chaohai

doi:10.3788/HPLPB20122407.1513

Volume 24 Issue 07

Jun. 2012

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Article Navigation > High Power Laser and Particle Beams > 2012 > 24(07): 1513-1514

Jiang Hongbin, Xiao Lipeng, Wei Chengfu, et al. Effect of discrete distribution of powder size on magnetic properties of NdFeB[J]. High Power Laser and Particle Beams, 2012, 24: 1173-1176. doi: 10.3788/HPLPB20122405.1173

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Xue Zhihao, Liu Pukun, Du Chaohai. Nonlinear theory of beam-wave interaction in gyro-TWT with spiral waveguide[J]. High Power Laser and Particle Beams, 2012, 24: 1513-1514. doi: 10.3788/HPLPB20122407.1513

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Nonlinear theory of beam-wave interaction in gyro-TWT with spiral waveguide

doi: 10.3788/HPLPB20122407.1513

Xue Zhihao^{1,2
,
,},
Liu Pukun¹,
Du Chaohai¹

1.
Institute of Electronics,Chinese Academy of Sciences,Beijing 100190,China;
2.
Graduate University of Chinese Academy of Sciences,Beijing 100039,China

Publish Date: 2012-07-15

Abstract

Abstract

Gyro-TWT (traveling wave tube) with helical waveguide has wider instantaneous frequency bandwidth than that with smooth waveguide. This paper introduces the nonlinear theory of its beam-wave interaction. The calculation shows that, the electron efficiency reaches 29%, and the saturated gain is 37 dB, when the working magnetic field is 0.21 T, the voltage is 185 kV and the current is 19 A. The calculated results accord with that reported in literature.
- helical waveguide,
- gyro-twt,
- beam-wave interaction

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